package controller;


import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import utils.Page;

import java.util.List;

@Controller
@RequestMapping("/user")
public class UserController {

    @Autowired
    private UserService userService;

    @RequestMapping("/tologin")
    public String tologin(){
        return "login";
    }

    @RequestMapping("/login")
    public String login(User user){

            boolean flag = userService.login(user);
            if (flag){
                return "index";
            }else {
                return "login";
            }

//        return "index";
    }

    @RequestMapping("/toregist")
    public String toregist(){
        return "regist";
    }

    @RequestMapping("/regist")
    @ResponseBody
    public String regist(User user) {
        int result = userService.addUser(user);
        if (result>0) {
            return "true";
        } else {
            return "false";
        }
    }

    @RequestMapping("/checkUserNameUnique")
    @ResponseBody
    public String checkUserNameUnique(@RequestParam("name") String name){
        User count  = userService.findUserByUserName(name);
        if (count==null){
            return "true";
        }else {
            return "false";
        }
    }

    @RequestMapping("/list/{currentPage}")
    public String list(User user, @PathVariable("currentPage")Integer currentPage, Model model){
        //查询数据
        Page page = new Page();
        int totalCount = userService.count(user);
        page.setTotalCount(totalCount);
        page.setCurrentPage(currentPage);
        page.setTotalPage();

        //计算偏移量
        int offset = (currentPage-1)*page.getPageSize();
        List<User> users = userService.findAll(user, offset, page.getPageSize());
        //把对象存储在作用域
        model.addAttribute("page",page);
        model.addAttribute("users",users);
        model.addAttribute("user",user);
        return "user/list";
    }

    @RequestMapping("/toadd")
    public String toAdd(){
        return "user/add";
    }

    @RequestMapping("/addSave")
    public String addSave(User user){
        int result = userService.addUser(user);
        if (result>0){
            return "redirect:/user/list/1";
        }else {
            return "error";
        }
    }

    @RequestMapping("/delete/{id}")
    public String delete(@PathVariable("id") Integer id){
        int result = userService.deleteUser(id);
        if (result>0){
            return "redirect:/user/list/1";
        }else {
            return "error";
        }
    }

    @RequestMapping("/toupdate/{id}")
    public String toUpdate(@PathVariable("id") Integer id,Model model){
        model.addAttribute("user",userService.findUserById(id));
        return "user/update";

    }

    @RequestMapping("/updateSave")
    public String updateSave(User user){
        int result = userService.updateUser(user);
        if (result>0){
            return "redirect:/user/list/1";
        }else {
            return "error";
        }
    }

//    @RequestMapping("/list")
//    public String findAll(){
//        return "user/list";
//    }
//
//    @RequestMapping("/add")
//    public String add(){
//        return "user";
//    }
//
//    @RequestMapping("/update")
//    public String update(){
//        return "user";
//    }
}
